Added nix files

modules/user.nix

@@ -0,0 +1,15 @@
+{ config, pkgs, ... }:
+
+{
+  users.users."luke-else" = {
+    isNormalUser = true;
+    home = "/home/luke-else";
+    shell = pkgs.bash;
+    extraGroups = [ "wheel" "networkmanager" "docker" ];
+  };
+
+  security.sudo = {
+    enable = true;
+    wheelNeedsPassword = true;
+  };
+}